Unfortunately your current device does not have features required to fully protect your sensitive data while shopping online. In order to protect your own security, we do not allow the placing of orders using insecure devices. To become our valued customer, please upgrade your Internet browser software to a more recent and secure version. We recommend using the latest version of Google Chrome or Mozilla Firefox, but any modern browser will enable you to shop with us. For additional information please feel free to contact our customer support on 1-800-342-5534 .

Free Ground Shipping for orders > $99 in contiguous USA only  (see details)

Pentax 645 Rear Converter-A 1.4X Teleconverter (120,200,300,600)

Grade Notes Price Qty
With Case and Caps
With Caps

* Item pictured for illustrative purposes only, actual item not pictured.

Pentax 645 Rear Converter-A 1.4X Teleconverter (120,200,300,600) Description


Designed primarily for use with the Pentax A* 300mm f4 ED IF, the 1.4x Rear Converter-A, transforms a splendid image maker into an incredible 420mm f5.6 optical marvel. Supplied with electrical contacts which transmit signals between the camera and the lens, it also maintains and permits the use of all automatic lens and camera functions including Programmed Auto Exposure. Features Include: * Also Compatible with the Pentax 645 120 f4, 200 f4 and 600 f5.6.

KEH Specifications

  • Magnification: 1.4x
  • Compatible Lenses: 120,200,300,600mm Lenses
  • Elements/Groups: 6/4
  • Lens Diameter: 77mm
  • Length: 60mm
  • Weight: 350g


Physical Characteristics

Lens Mount Pentax 645 A

General information

Brand Name Pentax

Customer Reviews